the story sounded so funny that all of us_laughing on hearing it.
问题描述：
the story sounded so funny that all of us_laughing on hearing it.
A burst out B burst in C burst with D burst on
选哪一个为什么选啊?
答
A burst out 闯出来；突发；摆脱；大声喊叫
B burst in 闯入；突然出现；打断
C burst with 突然发生
D burst on 突然出现；突然来到
burst out laughing :突然笑起来；不禁大笑
所以应该选A.这个故事听起来太好像了,所以我们一听到就大笑起来